Mathematics · Grade 9 CAPS

Graphs & the Cartesian Plane

Graphs & the Cartesian Plane is one of 8 topics in the Grade 9 Mathematics CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.

Sample practice questions

Easy

1. In the ordered pair $(3, - 2)$ , which number tells you the vertical position?

-2
3
Both equally
Neither

Answer: -2 — An ordered pair is written (x,y). The second number, y, gives the vertical position.

Easy

2. Using $y = 2 x + 1$ , find $y$ when $x = 0$ .

Answer: 1 — y=2(0)+1=1.

Medium

3. Using $y = 2 x + 1$ , give the ordered pair when $x = 2$ .

Answer: (2, 5) — y=2(2)+1=5. Ordered pair: (2,5).

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